Advertisements
Advertisements
प्रश्न
An object is placed (i) asymmetrically (ii) symmetrically, between two plane mirrors inclined at an angle of 50°. Find the number of images formed.
Advertisements
उत्तर
Angle between the mirrors, θ = 50o
Now, n = 360o / θo = 360o / 50o = 7.2 7, which is odd.
(i) When placed asymmetrically, number of images formed will be n, i.e. 7.
(ii) When placed symmetrically, number of images formed will be (n-1); i.e. 7-1 = 6 images
APPEARS IN
संबंधित प्रश्न
Write three characteristics of the image formed by a plane mirror?
What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.
An object is kept at 60 cm in front of a plane mirror. If the mirror is now moved 25 cm away from the object, how does the image shift from its previous position?
An optician while testing the eyes of a patient keeps a chart of letters 3 m behind the patient and asks him to see the letters on the image of chart formed in a plane mirror kept at distance 2 m in front of him. At what distance is the chart seen by the patient?
Two plane mirrors are arranged parallel and facing each other at some separation. How many images are formed for a point object kept in between them? Show the formation of images with the help of a ray diagram
State two uses of a plane mirror.
By drawing a neat diagram define the following:
Mirror
Write down the letters of the word ‘POLEX’ as seen in a plane mirror, held parallel to the plane of this paper.
Identify the following kind of beam of light.

